| Middletown to Orbetello | 4,701.32 mi (7,566.04 km) |
| Middletown to Oria | 5,048.86 mi (8,125.36 km) |
| Middletown to Oristano | 4,685.76 mi (7,541.01 km) |
| Middletown to Orta Nova | 4,934.27 mi (7,940.94 km) |
| Middletown to Orte | 4,749.87 mi (7,644.18 km) |
| Middletown to Ortona | 4,838.19 mi (7,786.32 km) |
| Middletown to Orvieto | 4,728.20 mi (7,609.31 km) |
| Middletown to Orzinuovi | 4,535.92 mi (7,299.86 km) |
| Middletown to Osimo | 4,755.05 mi (7,652.51 km) |
| Middletown to Ospitaletto | 4,535.90 mi (7,299.83 km) |
| Middletown to Ostuni | 5,036.90 mi (8,106.10 km) |
| Middletown to Ottaviano | 4,902.35 mi (7,889.58 km) |
| Middletown to Ovada | 4,510.72 mi (7,259.30 km) |
| Middletown to Ozieri | 4,677.83 mi (7,528.23 km) |
| Middletown to Paceco | 4,936.18 mi (7,944.02 km) |
