| Aberystwyth to Nasaud | 1,308.21 mi (2,105.36 km) |
| Aberystwyth to Navodari | 1,585.11 mi (2,550.99 km) |
| Aberystwyth to Negresti-Oas | 1,249.42 mi (2,010.75 km) |
| Aberystwyth to Nehoiu | 1,451.43 mi (2,335.85 km) |
| Aberystwyth to Ocna Mures | 1,313.78 mi (2,114.32 km) |
| Aberystwyth to Odobesti | 1,469.00 mi (2,364.13 km) |
| Aberystwyth to Odorheiu Secuiesc | 1,376.65 mi (2,215.50 km) |
| Aberystwyth to Oltenita | 1,511.55 mi (2,432.61 km) |
| Aberystwyth to Onesti | 1,440.04 mi (2,317.52 km) |
| Aberystwyth to Oradea | 1,210.58 mi (1,948.24 km) |
| Aberystwyth to Orastie | 1,304.61 mi (2,099.57 km) |
| Aberystwyth to Oravita | 1,271.29 mi (2,045.94 km) |
| Aberystwyth to Orsova | 1,312.33 mi (2,111.99 km) |
| Aberystwyth to Otelu Rosu | 1,281.21 mi (2,061.91 km) |
| Aberystwyth to Otopeni | 1,470.65 mi (2,366.79 km) |
