| Metuchen to Oerlinghausen | 3,823.15 mi (6,152.77 km) |
| Metuchen to Oestrich-Winkel | 3,851.71 mi (6,198.73 km) |
| Metuchen to Offenburg | 3,893.38 mi (6,265.78 km) |
| Metuchen to Oftersheim | 3,893.62 mi (6,266.18 km) |
| Metuchen to Ohrdruf | 3,936.80 mi (6,335.67 km) |
| Metuchen to Ohringen | 3,935.95 mi (6,334.30 km) |
| Metuchen to Olbernhau | 4,043.68 mi (6,507.67 km) |
| Metuchen to Olching | 4,040.90 mi (6,503.20 km) |
| Metuchen to Oldenburg | 3,773.90 mi (6,073.50 km) |
| Metuchen to Oldenburg in Holstein | 3,843.28 mi (6,185.16 km) |
| Metuchen to Olfen | 3,779.59 mi (6,082.66 km) |
| Metuchen to Olpe | 3,816.50 mi (6,142.06 km) |
| Metuchen to Olsberg | 3,833.03 mi (6,168.67 km) |
| Metuchen to Oranienburg | 3,975.67 mi (6,398.22 km) |
| Metuchen to Ortenberg | 3,883.99 mi (6,250.68 km) |
