| Arta to Oberkirch | 910.00 mi (1,464.50 km) |
| Arta to Obernburg am Main | 938.26 mi (1,509.99 km) |
| Arta to Obernkirchen | 1,068.06 mi (1,718.88 km) |
| Arta to Oberschleissheim | 783.23 mi (1,260.48 km) |
| Arta to Oberstdorf | 782.52 mi (1,259.34 km) |
| Arta to Obertraubling | 805.21 mi (1,295.86 km) |
| Arta to Obertshausen | 959.06 mi (1,543.46 km) |
| Arta to Oberursel | 973.71 mi (1,567.04 km) |
| Arta to Ochsenfurt | 901.00 mi (1,450.02 km) |
| Arta to Ochsenhausen | 825.18 mi (1,328.00 km) |
| Arta to Ochtrup | 1,116.37 mi (1,796.63 km) |
| Arta to Odenthal | 1,059.42 mi (1,704.97 km) |
| Arta to Oelde | 1,070.21 mi (1,722.34 km) |
| Arta to Oelsnitz | 888.19 mi (1,429.41 km) |
| Arta to Oer-Erkenschwick | 1,085.82 mi (1,747.45 km) |
