| Podu Iloaiei to Oberkirch | 891.31 mi (1,434.43 km) |
| Podu Iloaiei to Obernburg am Main | 846.69 mi (1,362.61 km) |
| Podu Iloaiei to Obernkirchen | 879.21 mi (1,414.95 km) |
| Podu Iloaiei to Oberschleissheim | 731.78 mi (1,177.69 km) |
| Podu Iloaiei to Oberstdorf | 794.30 mi (1,278.31 km) |
| Podu Iloaiei to Obertraubling | 706.04 mi (1,136.26 km) |
| Podu Iloaiei to Obertshausen | 861.89 mi (1,387.07 km) |
| Podu Iloaiei to Oberursel | 874.21 mi (1,406.90 km) |
| Podu Iloaiei to Ochsenfurt | 804.31 mi (1,294.42 km) |
| Podu Iloaiei to Ochsenhausen | 806.64 mi (1,298.16 km) |
| Podu Iloaiei to Ochtrup | 957.06 mi (1,540.25 km) |
| Podu Iloaiei to Odenthal | 945.08 mi (1,520.97 km) |
| Podu Iloaiei to Oelde | 911.51 mi (1,466.93 km) |
| Podu Iloaiei to Oelsnitz | 720.20 mi (1,159.05 km) |
| Podu Iloaiei to Oer-Erkenschwick | 946.42 mi (1,523.12 km) |
