| Carrick on Shannon to Oberkirch | 790.88 mi (1,272.80 km) |
| Carrick on Shannon to Obernburg am Main | 785.31 mi (1,263.83 km) |
| Carrick on Shannon to Obernkirchen | 721.48 mi (1,161.10 km) |
| Carrick on Shannon to Oberschleissheim | 935.38 mi (1,505.35 km) |
| Carrick on Shannon to Oberstdorf | 918.63 mi (1,478.40 km) |
| Carrick on Shannon to Obertraubling | 933.66 mi (1,502.58 km) |
| Carrick on Shannon to Obertshausen | 765.94 mi (1,232.67 km) |
| Carrick on Shannon to Oberursel | 751.56 mi (1,209.51 km) |
| Carrick on Shannon to Ochsenfurt | 827.97 mi (1,332.49 km) |
| Carrick on Shannon to Ochsenhausen | 879.67 mi (1,415.69 km) |
| Carrick on Shannon to Ochtrup | 644.42 mi (1,037.09 km) |
| Carrick on Shannon to Odenthal | 669.31 mi (1,077.16 km) |
| Carrick on Shannon to Oelde | 691.11 mi (1,112.23 km) |
| Carrick on Shannon to Oelsnitz | 888.87 mi (1,430.50 km) |
| Carrick on Shannon to Oer-Erkenschwick | 659.14 mi (1,060.79 km) |
