| Halfeti to Oerlinghausen | 1,740.76 mi (2,801.49 km) |
| Halfeti to Oestrich-Winkel | 1,717.21 mi (2,763.58 km) |
| Halfeti to Offenburg | 1,687.70 mi (2,716.09 km) |
| Halfeti to Oftersheim | 1,678.26 mi (2,700.90 km) |
| Halfeti to Ohrdruf | 1,627.13 mi (2,618.62 km) |
| Halfeti to Ohringen | 1,635.43 mi (2,631.97 km) |
| Halfeti to Olbernhau | 1,520.33 mi (2,446.74 km) |
| Halfeti to Olching | 1,534.17 mi (2,469.01 km) |
| Halfeti to Oldenburg | 1,792.38 mi (2,884.56 km) |
| Halfeti to Oldenburg in Holstein | 1,735.07 mi (2,792.33 km) |
| Halfeti to Olfen | 1,784.38 mi (2,871.68 km) |
| Halfeti to Olpe | 1,748.49 mi (2,813.93 km) |
| Halfeti to Olsberg | 1,731.01 mi (2,785.79 km) |
| Halfeti to Oranienburg | 1,596.51 mi (2,569.34 km) |
| Halfeti to Ortenberg | 1,682.04 mi (2,706.98 km) |
