| Buffalo to Noventa Vicentina | 4,235.09 mi (6,815.72 km) |
| Buffalo to Novi di Modena | 4,224.10 mi (6,798.04 km) |
| Buffalo to Novi Ligure | 4,141.93 mi (6,665.80 km) |
| Buffalo to Nuoro | 4,334.29 mi (6,975.37 km) |
| Buffalo to Occhiobello | 4,250.82 mi (6,841.03 km) |
| Buffalo to Oderzo | 4,254.85 mi (6,847.51 km) |
| Buffalo to Oggiono | 4,127.51 mi (6,642.59 km) |
| Buffalo to Olbia | 4,318.05 mi (6,949.23 km) |
| Buffalo to Oleggio | 4,104.84 mi (6,606.10 km) |
| Buffalo to Olgiate Comasco | 4,111.84 mi (6,617.36 km) |
| Buffalo to Olgiate Olona | 4,113.89 mi (6,620.67 km) |
| Buffalo to Omegna | 4,085.46 mi (6,574.92 km) |
| Buffalo to Opera | 4,136.74 mi (6,657.44 km) |
| Buffalo to Oppeano | 4,220.23 mi (6,791.81 km) |
| Buffalo to Orbassano | 4,080.98 mi (6,567.70 km) |
