| Kongsvinger to Olympia Heights (Florida) | 4,767.52 mi (7,672.59 km) |
| Kongsvinger to Omaha (Nebraska) | 4,341.90 mi (6,987.61 km) |
| Kongsvinger to On Top of the World Designated Place (Florida) | 4,634.05 mi (7,457.79 km) |
| Kongsvinger to Onalaska (Wisconsin) | 4,055.02 mi (6,525.92 km) |
| Kongsvinger to Oneida (New York) | 3,634.01 mi (5,848.37 km) |
| Kongsvinger to Oneonta (New York) | 3,648.71 mi (5,872.04 km) |
| Kongsvinger to Ontario (California) | 5,327.73 mi (8,574.15 km) |
| Kongsvinger to Ontario (Oregon) | 4,682.95 mi (7,536.49 km) |
| Kongsvinger to Opa-locka (Florida) | 4,754.47 mi (7,651.59 km) |
| Kongsvinger to Opelika (Alabama) | 4,526.26 mi (7,284.31 km) |
| Kongsvinger to Opelousas (Louisiana) | 4,859.59 mi (7,820.76 km) |
| Kongsvinger to Orange (California) | 5,347.54 mi (8,606.04 km) |
| Kongsvinger to Orange (Texas) | 4,934.46 mi (7,941.24 km) |
| Kongsvinger to Orange City (Florida) | 4,611.47 mi (7,421.45 km) |
| Kongsvinger to Orangeburg (South Carolina) | 4,334.62 mi (6,975.90 km) |
