| Longton to Orbetello | 953.98 mi (1,535.28 km) |
| Longton to Oria | 1,265.08 mi (2,035.95 km) |
| Longton to Oristano | 1,035.54 mi (1,666.54 km) |
| Longton to Orta Nova | 1,156.52 mi (1,861.23 km) |
| Longton to Orte | 988.53 mi (1,590.88 km) |
| Longton to Ortona | 1,059.17 mi (1,704.57 km) |
| Longton to Orvieto | 965.84 mi (1,554.37 km) |
| Longton to Orzinuovi | 754.23 mi (1,213.81 km) |
| Longton to Osimo | 969.69 mi (1,560.56 km) |
| Longton to Ospitaletto | 750.80 mi (1,208.30 km) |
| Longton to Ostuni | 1,251.13 mi (2,013.50 km) |
| Longton to Ottaviano | 1,142.49 mi (1,838.66 km) |
| Longton to Ovada | 755.49 mi (1,215.84 km) |
| Longton to Ozieri | 1,003.33 mi (1,614.71 km) |
| Longton to Paceco | 1,251.92 mi (2,014.76 km) |
