| Tonawanda to Noventa Vicentina | 4,231.90 mi (6,810.58 km) |
| Tonawanda to Novi di Modena | 4,220.99 mi (6,793.03 km) |
| Tonawanda to Novi Ligure | 4,138.95 mi (6,661.00 km) |
| Tonawanda to Nuoro | 4,331.81 mi (6,971.37 km) |
| Tonawanda to Occhiobello | 4,247.67 mi (6,835.96 km) |
| Tonawanda to Oderzo | 4,251.54 mi (6,842.20 km) |
| Tonawanda to Oggiono | 4,124.38 mi (6,637.54 km) |
| Tonawanda to Olbia | 4,315.48 mi (6,945.10 km) |
| Tonawanda to Oleggio | 4,101.77 mi (6,601.15 km) |
| Tonawanda to Olgiate Comasco | 4,108.72 mi (6,612.35 km) |
| Tonawanda to Olgiate Olona | 4,110.80 mi (6,615.69 km) |
| Tonawanda to Omegna | 4,082.37 mi (6,569.94 km) |
| Tonawanda to Opera | 4,133.66 mi (6,652.48 km) |
| Tonawanda to Oppeano | 4,217.06 mi (6,786.70 km) |
| Tonawanda to Orbassano | 4,078.03 mi (6,562.96 km) |
