| Hammonton to Oerlinghausen | 3,880.12 mi (6,244.45 km) |
| Hammonton to Oestrich-Winkel | 3,907.35 mi (6,288.27 km) |
| Hammonton to Offenburg | 3,948.00 mi (6,353.70 km) |
| Hammonton to Oftersheim | 3,948.97 mi (6,355.25 km) |
| Hammonton to Ohrdruf | 3,993.43 mi (6,426.81 km) |
| Hammonton to Ohringen | 3,991.36 mi (6,423.47 km) |
| Hammonton to Olbernhau | 4,100.68 mi (6,599.41 km) |
| Hammonton to Olching | 4,096.06 mi (6,591.97 km) |
| Hammonton to Oldenburg | 3,831.49 mi (6,166.19 km) |
| Hammonton to Oldenburg in Holstein | 3,901.89 mi (6,279.49 km) |
| Hammonton to Olfen | 3,836.19 mi (6,173.76 km) |
| Hammonton to Olpe | 3,872.74 mi (6,232.58 km) |
| Hammonton to Olsberg | 3,889.59 mi (6,259.69 km) |
| Hammonton to Oranienburg | 4,033.79 mi (6,491.76 km) |
| Hammonton to Ortenberg | 3,940.04 mi (6,340.88 km) |
