| Stallings to Orbetello | 4,724.90 mi (7,603.99 km) |
| Stallings to Oria | 5,079.27 mi (8,174.30 km) |
| Stallings to Oristano | 4,687.43 mi (7,543.69 km) |
| Stallings to Orta Nova | 4,963.74 mi (7,988.37 km) |
| Stallings to Orte | 4,776.67 mi (7,687.30 km) |
| Stallings to Ortona | 4,869.76 mi (7,837.13 km) |
| Stallings to Orvieto | 4,755.77 mi (7,653.67 km) |
| Stallings to Orzinuovi | 4,573.90 mi (7,360.99 km) |
| Stallings to Osimo | 4,790.65 mi (7,709.80 km) |
| Stallings to Ospitaletto | 4,575.16 mi (7,363.01 km) |
| Stallings to Ostuni | 5,068.43 mi (8,156.85 km) |
| Stallings to Ottaviano | 4,925.68 mi (7,927.12 km) |
| Stallings to Ovada | 4,540.98 mi (7,307.99 km) |
| Stallings to Ozieri | 4,684.62 mi (7,539.17 km) |
| Stallings to Paceco | 4,937.89 mi (7,946.77 km) |
