| Cottage Grove to Oberkirch | 4,421.65 mi (7,115.95 km) |
| Cottage Grove to Obernburg am Main | 4,401.51 mi (7,083.54 km) |
| Cottage Grove to Obernkirchen | 4,295.61 mi (6,913.11 km) |
| Cottage Grove to Oberschleissheim | 4,556.31 mi (7,332.67 km) |
| Cottage Grove to Oberstdorf | 4,549.35 mi (7,321.48 km) |
| Cottage Grove to Obertraubling | 4,544.30 mi (7,313.34 km) |
| Cottage Grove to Obertshausen | 4,380.99 mi (7,050.53 km) |
| Cottage Grove to Oberursel | 4,366.23 mi (7,026.77 km) |
| Cottage Grove to Ochsenfurt | 4,441.71 mi (7,148.23 km) |
| Cottage Grove to Ochsenhausen | 4,507.88 mi (7,254.73 km) |
| Cottage Grove to Ochtrup | 4,233.71 mi (6,813.50 km) |
| Cottage Grove to Odenthal | 4,280.46 mi (6,888.73 km) |
| Cottage Grove to Oelde | 4,281.74 mi (6,890.79 km) |
| Cottage Grove to Oelsnitz | 4,478.43 mi (7,207.34 km) |
| Cottage Grove to Oer-Erkenschwick | 4,259.38 mi (6,854.81 km) |
