| The Colony to Oerlinghausen | 5,047.21 mi (8,122.69 km) |
| The Colony to Oestrich-Winkel | 5,095.73 mi (8,200.79 km) |
| The Colony to Offenburg | 5,150.39 mi (8,288.75 km) |
| The Colony to Oftersheim | 5,141.25 mi (8,274.04 km) |
| The Colony to Ohrdruf | 5,164.83 mi (8,312.00 km) |
| The Colony to Ohringen | 5,182.18 mi (8,339.92 km) |
| The Colony to Olbernhau | 5,264.31 mi (8,472.08 km) |
| The Colony to Olching | 5,289.57 mi (8,512.74 km) |
| The Colony to Oldenburg | 4,987.82 mi (8,027.11 km) |
| The Colony to Oldenburg in Holstein | 5,036.67 mi (8,105.73 km) |
| The Colony to Olfen | 5,009.94 mi (8,062.72 km) |
| The Colony to Olpe | 5,051.98 mi (8,130.37 km) |
| The Colony to Olsberg | 5,063.46 mi (8,148.85 km) |
| The Colony to Oranienburg | 5,176.77 mi (8,331.21 km) |
| The Colony to Ortenberg | 5,121.65 mi (8,242.50 km) |