| Carlow to Orthez | 704.57 mi (1,133.89 km) |
| Carlow to Orvault | 450.27 mi (724.65 km) |
| Carlow to Osny | 469.80 mi (756.07 km) |
| Carlow to Ostwald | 704.25 mi (1,133.39 km) |
| Carlow to Ouistreham | 379.48 mi (610.71 km) |
| Carlow to Oullins | 720.71 mi (1,159.88 km) |
| Carlow to Outreau | 392.74 mi (632.05 km) |
| Carlow to Oyonnax | 722.69 mi (1,163.05 km) |
| Carlow to Ozoir-la-Ferriere | 503.88 mi (810.92 km) |
| Carlow to Pace | 394.86 mi (635.47 km) |
| Carlow to Palaiseau | 491.02 mi (790.21 km) |
| Carlow to Pamiers | 777.63 mi (1,251.48 km) |
| Carlow to Panazol | 608.32 mi (979.00 km) |
| Carlow to Pantin | 488.85 mi (786.72 km) |
| Carlow to Paray-le-Monial | 661.09 mi (1,063.92 km) |
