| Coalinga to Orbetello | 6,207.28 mi (9,989.66 km) |
| Coalinga to Oria | 6,507.65 mi (10,473.06 km) |
| Coalinga to Oristano | 6,261.06 mi (10,076.20 km) |
| Coalinga to Orta Nova | 6,404.41 mi (10,306.91 km) |
| Coalinga to Orte | 6,241.96 mi (10,045.47 km) |
| Coalinga to Ortona | 6,308.13 mi (10,151.95 km) |
| Coalinga to Orvieto | 6,219.29 mi (10,008.98 km) |
| Coalinga to Orzinuovi | 6,006.44 mi (9,666.42 km) |
| Coalinga to Osimo | 6,217.42 mi (10,005.97 km) |
| Coalinga to Ospitaletto | 6,002.17 mi (9,659.56 km) |
| Coalinga to Ostuni | 6,492.69 mi (10,448.97 km) |
| Coalinga to Ottaviano | 6,395.31 mi (10,292.26 km) |
| Coalinga to Ovada | 6,008.40 mi (9,669.58 km) |
| Coalinga to Ozieri | 6,238.09 mi (10,039.24 km) |
| Coalinga to Paceco | 6,496.14 mi (10,454.52 km) |
