| Ridgeland to Orbetello | 5,262.57 mi (8,469.29 km) |
| Ridgeland to Oria | 5,613.52 mi (9,034.09 km) |
| Ridgeland to Oristano | 5,236.14 mi (8,426.76 km) |
| Ridgeland to Orta Nova | 5,498.39 mi (8,848.81 km) |
| Ridgeland to Orte | 5,312.62 mi (8,549.83 km) |
| Ridgeland to Ortona | 5,403.10 mi (8,695.44 km) |
| Ridgeland to Orvieto | 5,291.26 mi (8,515.46 km) |
| Ridgeland to Orzinuovi | 5,103.08 mi (8,212.62 km) |
| Ridgeland to Osimo | 5,321.52 mi (8,564.16 km) |
| Ridgeland to Ospitaletto | 5,103.57 mi (8,213.40 km) |
| Ridgeland to Ostuni | 5,602.01 mi (9,015.57 km) |
| Ridgeland to Ottaviano | 5,463.74 mi (8,793.03 km) |
| Ridgeland to Ovada | 5,074.67 mi (8,166.89 km) |
| Ridgeland to Ozieri | 5,230.91 mi (8,418.33 km) |
| Ridgeland to Paceco | 5,486.89 mi (8,830.29 km) |
