| Athy to Navodari | 1,710.63 mi (2,752.99 km) |
| Athy to Negresti-Oas | 1,373.06 mi (2,209.73 km) |
| Athy to Nehoiu | 1,576.94 mi (2,537.84 km) |
| Athy to Ocna Mures | 1,439.23 mi (2,316.22 km) |
| Athy to Odobesti | 1,593.72 mi (2,564.84 km) |
| Athy to Odorheiu Secuiesc | 1,501.54 mi (2,416.49 km) |
| Athy to Oltenita | 1,638.04 mi (2,636.17 km) |
| Athy to Onesti | 1,564.30 mi (2,517.49 km) |
| Athy to Oradea | 1,336.09 mi (2,150.22 km) |
| Athy to Orastie | 1,430.90 mi (2,302.82 km) |
| Athy to Oravita | 1,398.69 mi (2,250.97 km) |
| Athy to Orsova | 1,439.72 mi (2,317.00 km) |
| Athy to Otelu Rosu | 1,408.09 mi (2,266.10 km) |
| Athy to Otopeni | 1,596.99 mi (2,570.10 km) |
| Athy to Ovidiu | 1,710.36 mi (2,752.56 km) |
