| Valparaiso to Olympia (Washington) | 1,798.27 mi (2,894.03 km) |
| Valparaiso to Olympia Heights (Florida) | 1,154.04 mi (1,857.25 km) |
| Valparaiso to Omaha (Nebraska) | 466.81 mi (751.25 km) |
| Valparaiso to On Top of the World Designated Place (Florida) | 895.68 mi (1,441.46 km) |
| Valparaiso to Onalaska (Wisconsin) | 268.84 mi (432.65 km) |
| Valparaiso to Oneida (New York) | 592.09 mi (952.87 km) |
| Valparaiso to Oneonta (New York) | 618.82 mi (995.89 km) |
| Valparaiso to Ontario (California) | 1,736.09 mi (2,793.96 km) |
| Valparaiso to Ontario (Oregon) | 1,519.99 mi (2,446.18 km) |
| Valparaiso to Opa-locka (Florida) | 1,144.10 mi (1,841.24 km) |
| Valparaiso to Opelika (Alabama) | 616.11 mi (991.54 km) |
| Valparaiso to Opelousas (Louisiana) | 806.95 mi (1,298.66 km) |
| Valparaiso to Orange (California) | 1,754.39 mi (2,823.42 km) |
| Valparaiso to Orange (Texas) | 869.34 mi (1,399.07 km) |
| Valparaiso to Orange City (Florida) | 925.13 mi (1,488.85 km) |
