| Ramona to Olympia (Washington) | 1,017.19 mi (1,637.01 km) |
| Ramona to Olympia Heights (Florida) | 2,245.26 mi (3,613.39 km) |
| Ramona to Omaha (Nebraska) | 1,275.02 mi (2,051.95 km) |
| Ramona to On Top of the World Designated Place (Florida) | 2,055.70 mi (3,308.33 km) |
| Ramona to Onalaska (Wisconsin) | 1,568.45 mi (2,524.17 km) |
| Ramona to Oneida (New York) | 2,320.77 mi (3,734.91 km) |
| Ramona to Oneonta (New York) | 2,348.95 mi (3,780.26 km) |
| Ramona to Ontario (California) | 80.39 mi (129.38 km) |
| Ramona to Ontario (Oregon) | 758.56 mi (1,220.78 km) |
| Ramona to Opa-locka (Florida) | 2,245.63 mi (3,613.99 km) |
| Ramona to Opelika (Alabama) | 1,821.58 mi (2,931.55 km) |
| Ramona to Opelousas (Louisiana) | 1,463.19 mi (2,354.78 km) |
| Ramona to Orange (California) | 75.51 mi (121.52 km) |
| Ramona to Orange (Texas) | 1,372.64 mi (2,209.05 km) |
| Ramona to Orange City (Florida) | 2,116.88 mi (3,406.79 km) |
