| Sundsvall to Oberkirch | 1,021.69 mi (1,644.25 km) |
| Sundsvall to Obernburg am Main | 921.46 mi (1,482.94 km) |
| Sundsvall to Obernkirchen | 762.62 mi (1,227.31 km) |
| Sundsvall to Oberschleissheim | 1,002.50 mi (1,613.36 km) |
| Sundsvall to Oberstdorf | 1,071.29 mi (1,724.07 km) |
| Sundsvall to Obertraubling | 948.91 mi (1,527.12 km) |
| Sundsvall to Obertshausen | 910.49 mi (1,465.29 km) |
| Sundsvall to Oberursel | 904.97 mi (1,456.40 km) |
| Sundsvall to Ochsenfurt | 922.97 mi (1,485.38 km) |
| Sundsvall to Ochsenhausen | 1,030.06 mi (1,657.72 km) |
| Sundsvall to Ochtrup | 797.24 mi (1,283.04 km) |
| Sundsvall to Odenthal | 873.03 mi (1,405.01 km) |
| Sundsvall to Oelde | 805.20 mi (1,295.85 km) |
| Sundsvall to Oelsnitz | 850.39 mi (1,368.57 km) |
| Sundsvall to Oer-Erkenschwick | 831.93 mi (1,338.87 km) |
