| Ardmore to Nasaud | 5,744.30 mi (9,244.56 km) |
| Ardmore to Navodari | 6,032.18 mi (9,707.85 km) |
| Ardmore to Negresti-Oas | 5,683.25 mi (9,146.31 km) |
| Ardmore to Nehoiu | 5,902.89 mi (9,499.78 km) |
| Ardmore to Ocna Mures | 5,769.25 mi (9,284.72 km) |
| Ardmore to Odobesti | 5,907.59 mi (9,507.35 km) |
| Ardmore to Odorheiu Secuiesc | 5,821.63 mi (9,369.00 km) |
| Ardmore to Oltenita | 5,977.41 mi (9,619.72 km) |
| Ardmore to Onesti | 5,873.10 mi (9,451.84 km) |
| Ardmore to Oradea | 5,670.35 mi (9,125.55 km) |
| Ardmore to Orastie | 5,772.66 mi (9,290.20 km) |
| Ardmore to Oravita | 5,758.07 mi (9,266.72 km) |
| Ardmore to Orsova | 5,798.31 mi (9,331.48 km) |
| Ardmore to Otelu Rosu | 5,759.00 mi (9,268.21 km) |
| Ardmore to Otopeni | 5,934.92 mi (9,551.33 km) |
