| Fairfax to Opwijk | 3,865.71 mi (6,221.25 km) |
| Fairfax to Ostend | 3,808.10 mi (6,128.54 km) |
| Fairfax to Oud-Heverlee | 3,888.69 mi (6,258.24 km) |
| Fairfax to Oud-Turnhout | 3,888.94 mi (6,258.64 km) |
| Fairfax to Oudenaarde | 3,845.01 mi (6,187.95 km) |
| Fairfax to Oudenburg | 3,812.40 mi (6,135.47 km) |
| Fairfax to Oupeye | 3,931.43 mi (6,327.03 km) |
| Fairfax to Overijse | 3,884.58 mi (6,251.63 km) |
| Fairfax to Overpelt | 3,908.90 mi (6,290.77 km) |
| Fairfax to Paal | 3,903.75 mi (6,282.48 km) |
| Fairfax to Peer | 3,912.58 mi (6,296.68 km) |
| Fairfax to Pepinster | 3,942.23 mi (6,344.41 km) |
| Fairfax to Peruwelz | 3,852.75 mi (6,200.41 km) |
| Fairfax to Perwez | 3,900.14 mi (6,276.67 km) |
| Fairfax to Philippeville | 3,900.46 mi (6,277.18 km) |
