| Cliffside Park to Oerlinghausen | 3,795.62 mi (6,108.46 km) |
| Cliffside Park to Oestrich-Winkel | 3,824.26 mi (6,154.55 km) |
| Cliffside Park to Offenburg | 3,866.01 mi (6,221.74 km) |
| Cliffside Park to Oftersheim | 3,866.20 mi (6,222.04 km) |
| Cliffside Park to Ohrdruf | 3,909.28 mi (6,291.38 km) |
| Cliffside Park to Ohringen | 3,908.51 mi (6,290.15 km) |
| Cliffside Park to Olbernhau | 4,016.15 mi (6,463.37 km) |
| Cliffside Park to Olching | 4,013.49 mi (6,459.09 km) |
| Cliffside Park to Oldenburg | 3,746.35 mi (6,029.16 km) |
| Cliffside Park to Oldenburg in Holstein | 3,815.72 mi (6,140.81 km) |
| Cliffside Park to Olfen | 3,752.07 mi (6,038.38 km) |
| Cliffside Park to Olpe | 3,789.00 mi (6,097.81 km) |
| Cliffside Park to Olsberg | 3,805.52 mi (6,124.39 km) |
| Cliffside Park to Oranienburg | 3,948.11 mi (6,353.87 km) |
| Cliffside Park to Ortenberg | 3,856.51 mi (6,206.45 km) |
