| Ridgefield Park to Olympia (Washington) | 2,428.03 mi (3,907.54 km) |
| Ridgefield Park to Olympia Heights (Florida) | 1,106.45 mi (1,780.66 km) |
| Ridgefield Park to Omaha (Nebraska) | 1,145.15 mi (1,842.95 km) |
| Ridgefield Park to On Top of the World Designated Place (Florida) | 935.90 mi (1,506.18 km) |
| Ridgefield Park to Onalaska (Wisconsin) | 900.23 mi (1,448.78 km) |
| Ridgefield Park to Oneida (New York) | 175.20 mi (281.96 km) |
| Ridgefield Park to Oneonta (New York) | 123.09 mi (198.10 km) |
| Ridgefield Park to Ontario (California) | 2,411.33 mi (3,880.66 km) |
| Ridgefield Park to Ontario (Oregon) | 2,176.37 mi (3,502.53 km) |
| Ridgefield Park to Opa-locka (Florida) | 1,093.30 mi (1,759.50 km) |
| Ridgefield Park to Opelika (Alabama) | 844.63 mi (1,359.31 km) |
| Ridgefield Park to Opelousas (Louisiana) | 1,235.56 mi (1,988.43 km) |
| Ridgefield Park to Orange (California) | 2,429.30 mi (3,909.59 km) |
| Ridgefield Park to Orange (Texas) | 1,330.37 mi (2,141.03 km) |
| Ridgefield Park to Orange City (Florida) | 919.95 mi (1,480.52 km) |
