| Carlow to Nowy Sacz | 1,207.98 mi (1,944.06 km) |
| Carlow to Nowy Targ | 1,183.53 mi (1,904.71 km) |
| Carlow to Nowy Tomysl | 965.01 mi (1,553.03 km) |
| Carlow to Nysa | 1,047.76 mi (1,686.21 km) |
| Carlow to Oborniki | 988.97 mi (1,591.59 km) |
| Carlow to Oborniki Slaskie | 1,013.17 mi (1,630.53 km) |
| Carlow to Olawa | 1,036.74 mi (1,668.47 km) |
| Carlow to Olecko | 1,205.60 mi (1,940.23 km) |
| Carlow to Olesnica | 1,035.06 mi (1,665.76 km) |
| Carlow to Olesno | 1,084.47 mi (1,745.28 km) |
| Carlow to Olkusz | 1,145.09 mi (1,842.84 km) |
| Carlow to Olsztyn | 1,126.57 mi (1,813.05 km) |
| Carlow to Opalenica | 976.74 mi (1,571.91 km) |
| Carlow to Opoczno | 1,152.53 mi (1,854.81 km) |
| Carlow to Opole | 1,068.60 mi (1,719.75 km) |
