| Americus to Noventa Vicentina | 4,939.29 mi (7,949.03 km) |
| Americus to Novi di Modena | 4,924.11 mi (7,924.60 km) |
| Americus to Novi Ligure | 4,835.36 mi (7,781.75 km) |
| Americus to Nuoro | 4,997.78 mi (8,043.15 km) |
| Americus to Occhiobello | 4,952.84 mi (7,970.82 km) |
| Americus to Oderzo | 4,964.65 mi (7,989.84 km) |
| Americus to Oggiono | 4,829.32 mi (7,772.03 km) |
| Americus to Olbia | 4,986.47 mi (8,024.95 km) |
| Americus to Oleggio | 4,803.58 mi (7,730.62 km) |
| Americus to Olgiate Comasco | 4,812.67 mi (7,745.24 km) |
| Americus to Olgiate Olona | 4,813.50 mi (7,746.59 km) |
| Americus to Omegna | 4,785.51 mi (7,701.53 km) |
| Americus to Opera | 4,835.54 mi (7,782.05 km) |
| Americus to Oppeano | 4,923.63 mi (7,923.81 km) |
| Americus to Orbassano | 4,772.77 mi (7,681.04 km) |
