| Suitland to Orbetello | 4,405.99 mi (7,090.76 km) |
| Suitland to Oria | 4,759.06 mi (7,658.97 km) |
| Suitland to Oristano | 4,374.40 mi (7,039.92 km) |
| Suitland to Orta Nova | 4,643.65 mi (7,473.24 km) |
| Suitland to Orte | 4,457.04 mi (7,172.91 km) |
| Suitland to Ortona | 4,549.12 mi (7,321.10 km) |
| Suitland to Orvieto | 4,435.94 mi (7,138.96 km) |
| Suitland to Orzinuovi | 4,251.63 mi (6,842.33 km) |
| Suitland to Osimo | 4,469.05 mi (7,192.24 km) |
| Suitland to Ospitaletto | 4,252.62 mi (6,843.94 km) |
| Suitland to Ostuni | 4,747.95 mi (7,641.09 km) |
| Suitland to Ottaviano | 4,607.02 mi (7,414.28 km) |
| Suitland to Ovada | 4,220.34 mi (6,791.98 km) |
| Suitland to Ozieri | 4,370.10 mi (7,033.00 km) |
| Suitland to Paceco | 4,625.11 mi (7,443.39 km) |
