| North Tonawanda to Noventa Vicentina | 4,229.85 mi (6,807.29 km) |
| North Tonawanda to Novi di Modena | 4,218.96 mi (6,789.77 km) |
| North Tonawanda to Novi Ligure | 4,136.95 mi (6,657.79 km) |
| North Tonawanda to Nuoro | 4,329.92 mi (6,968.34 km) |
| North Tonawanda to Occhiobello | 4,245.63 mi (6,832.68 km) |
| North Tonawanda to Oderzo | 4,249.48 mi (6,838.88 km) |
| North Tonawanda to Oggiono | 4,122.35 mi (6,634.27 km) |
| North Tonawanda to Olbia | 4,313.58 mi (6,942.04 km) |
| North Tonawanda to Oleggio | 4,099.75 mi (6,597.91 km) |
| North Tonawanda to Olgiate Comasco | 4,106.70 mi (6,609.09 km) |
| North Tonawanda to Olgiate Olona | 4,108.78 mi (6,612.44 km) |
| North Tonawanda to Omegna | 4,080.35 mi (6,566.68 km) |
| North Tonawanda to Opera | 4,131.64 mi (6,649.23 km) |
| North Tonawanda to Oppeano | 4,215.02 mi (6,783.42 km) |
| North Tonawanda to Orbassano | 4,076.04 mi (6,559.76 km) |
