| Copiague to Oerlinghausen | 3,779.28 mi (6,082.17 km) |
| Copiague to Oestrich-Winkel | 3,806.74 mi (6,126.35 km) |
| Copiague to Offenburg | 3,847.66 mi (6,192.22 km) |
| Copiague to Oftersheim | 3,848.43 mi (6,193.45 km) |
| Copiague to Ohrdruf | 3,892.64 mi (6,264.60 km) |
| Copiague to Ohringen | 3,890.80 mi (6,261.65 km) |
| Copiague to Olbernhau | 3,999.84 mi (6,437.13 km) |
| Copiague to Olching | 3,995.57 mi (6,430.25 km) |
| Copiague to Oldenburg | 3,730.61 mi (6,003.84 km) |
| Copiague to Oldenburg in Holstein | 3,801.03 mi (6,117.17 km) |
| Copiague to Olfen | 3,735.40 mi (6,011.55 km) |
| Copiague to Olpe | 3,772.01 mi (6,070.46 km) |
| Copiague to Olsberg | 3,788.81 mi (6,097.50 km) |
| Copiague to Oranienburg | 3,932.91 mi (6,329.40 km) |
| Copiague to Ortenberg | 3,839.34 mi (6,178.83 km) |
