| Metuchen to Orbetello | 4,227.85 mi (6,804.06 km) |
| Metuchen to Oria | 4,580.57 mi (7,371.72 km) |
| Metuchen to Oristano | 4,197.96 mi (6,755.96 km) |
| Metuchen to Orta Nova | 4,465.20 mi (7,186.04 km) |
| Metuchen to Orte | 4,278.71 mi (6,885.92 km) |
| Metuchen to Ortona | 4,370.54 mi (7,033.70 km) |
| Metuchen to Orvieto | 4,257.56 mi (6,851.89 km) |
| Metuchen to Orzinuovi | 4,072.73 mi (6,554.42 km) |
| Metuchen to Osimo | 4,290.28 mi (6,904.53 km) |
| Metuchen to Ospitaletto | 4,073.67 mi (6,555.94 km) |
| Metuchen to Ostuni | 4,569.40 mi (7,353.74 km) |
| Metuchen to Ottaviano | 4,428.92 mi (7,127.65 km) |
| Metuchen to Ovada | 4,041.79 mi (6,504.63 km) |
| Metuchen to Ozieri | 4,193.20 mi (6,748.30 km) |
| Metuchen to Paceco | 4,448.69 mi (7,159.48 km) |
