| Willimantic to Opwijk | 3,533.07 mi (5,685.93 km) |
| Willimantic to Ostend | 3,475.45 mi (5,593.19 km) |
| Willimantic to Oud-Heverlee | 3,556.05 mi (5,722.91 km) |
| Willimantic to Oud-Turnhout | 3,556.54 mi (5,723.70 km) |
| Willimantic to Oudenaarde | 3,512.28 mi (5,652.47 km) |
| Willimantic to Oudenburg | 3,479.74 mi (5,600.10 km) |
| Willimantic to Oupeye | 3,598.84 mi (5,791.78 km) |
| Willimantic to Overijse | 3,551.91 mi (5,716.25 km) |
| Willimantic to Overpelt | 3,576.50 mi (5,755.83 km) |
| Willimantic to Paal | 3,571.25 mi (5,747.36 km) |
| Willimantic to Peer | 3,580.15 mi (5,761.69 km) |
| Willimantic to Pepinster | 3,609.61 mi (5,809.10 km) |
| Willimantic to Peruwelz | 3,519.91 mi (5,664.75 km) |
| Willimantic to Perwez | 3,567.44 mi (5,741.24 km) |
| Willimantic to Philippeville | 3,567.59 mi (5,741.49 km) |
