| Amarillo to Noventa Vicentina | 5,495.58 mi (8,844.28 km) |
| Amarillo to Novi di Modena | 5,489.35 mi (8,834.26 km) |
| Amarillo to Novi Ligure | 5,415.01 mi (8,714.61 km) |
| Amarillo to Nuoro | 5,630.41 mi (9,061.27 km) |
| Amarillo to Occhiobello | 5,513.53 mi (8,873.18 km) |
| Amarillo to Oderzo | 5,508.52 mi (8,865.10 km) |
| Amarillo to Oggiono | 5,392.12 mi (8,677.78 km) |
| Amarillo to Olbia | 5,610.71 mi (9,029.57 km) |
| Amarillo to Oleggio | 5,373.01 mi (8,647.02 km) |
| Amarillo to Olgiate Comasco | 5,377.71 mi (8,654.59 km) |
| Amarillo to Olgiate Olona | 5,381.03 mi (8,659.93 km) |
| Amarillo to Omegna | 5,352.52 mi (8,614.06 km) |
| Amarillo to Opera | 5,404.43 mi (8,697.59 km) |
| Amarillo to Oppeano | 5,481.84 mi (8,822.16 km) |
| Amarillo to Orbassano | 5,356.39 mi (8,620.28 km) |
