| Amarillo to Nasaud | 5,838.56 mi (9,396.25 km) |
| Amarillo to Navodari | 6,125.48 mi (9,858.01 km) |
| Amarillo to Negresti-Oas | 5,777.84 mi (9,298.54 km) |
| Amarillo to Nehoiu | 5,998.70 mi (9,653.98 km) |
| Amarillo to Ocna Mures | 5,867.53 mi (9,442.88 km) |
| Amarillo to Odobesti | 6,000.35 mi (9,656.63 km) |
| Amarillo to Odorheiu Secuiesc | 5,916.85 mi (9,522.25 km) |
| Amarillo to Oltenita | 6,076.25 mi (9,778.78 km) |
| Amarillo to Onesti | 5,965.08 mi (9,599.86 km) |
| Amarillo to Oradea | 5,770.78 mi (9,287.17 km) |
| Amarillo to Orastie | 5,874.12 mi (9,453.48 km) |
| Amarillo to Oravita | 5,865.48 mi (9,439.57 km) |
| Amarillo to Orsova | 5,905.11 mi (9,503.35 km) |
| Amarillo to Otelu Rosu | 5,863.40 mi (9,436.23 km) |
| Amarillo to Otopeni | 6,033.72 mi (9,710.33 km) |
