| Pleasant Prairie to Oberkirch | 4,345.17 mi (6,992.88 km) |
| Pleasant Prairie to Obernburg am Main | 4,333.25 mi (6,973.70 km) |
| Pleasant Prairie to Obernkirchen | 4,238.46 mi (6,821.15 km) |
| Pleasant Prairie to Oberschleissheim | 4,486.51 mi (7,220.34 km) |
| Pleasant Prairie to Oberstdorf | 4,472.94 mi (7,198.50 km) |
| Pleasant Prairie to Obertraubling | 4,478.98 mi (7,208.22 km) |
| Pleasant Prairie to Obertshausen | 4,313.10 mi (6,941.26 km) |
| Pleasant Prairie to Oberursel | 4,298.40 mi (6,917.60 km) |
| Pleasant Prairie to Ochsenfurt | 4,374.64 mi (7,040.31 km) |
| Pleasant Prairie to Ochsenhausen | 4,433.58 mi (7,135.15 km) |
| Pleasant Prairie to Ochtrup | 4,172.32 mi (6,714.70 km) |
| Pleasant Prairie to Odenthal | 4,213.36 mi (6,780.76 km) |
| Pleasant Prairie to Oelde | 4,220.55 mi (6,792.33 km) |
| Pleasant Prairie to Oelsnitz | 4,419.45 mi (7,112.42 km) |
| Pleasant Prairie to Oer-Erkenschwick | 4,195.44 mi (6,751.90 km) |
