| Tonawanda to Opwijk | 3,742.31 mi (6,022.66 km) |
| Tonawanda to Ostend | 3,685.17 mi (5,930.71 km) |
| Tonawanda to Oud-Heverlee | 3,765.27 mi (6,059.62 km) |
| Tonawanda to Oud-Turnhout | 3,762.52 mi (6,055.18 km) |
| Tonawanda to Oudenaarde | 3,723.10 mi (5,991.76 km) |
| Tonawanda to Oudenburg | 3,689.58 mi (5,937.81 km) |
| Tonawanda to Oupeye | 3,807.18 mi (6,127.07 km) |
| Tonawanda to Overijse | 3,761.63 mi (6,053.75 km) |
| Tonawanda to Overpelt | 3,782.35 mi (6,087.11 km) |
| Tonawanda to Paal | 3,778.49 mi (6,080.90 km) |
| Tonawanda to Peer | 3,786.41 mi (6,093.64 km) |
| Tonawanda to Pepinster | 3,818.45 mi (6,145.20 km) |
| Tonawanda to Peruwelz | 3,732.65 mi (6,007.11 km) |
| Tonawanda to Perwez | 3,777.60 mi (6,079.45 km) |
| Tonawanda to Philippeville | 3,780.55 mi (6,084.20 km) |
