| Bloomington to Oerlinghausen | 4,375.02 mi (7,040.91 km) |
| Bloomington to Oestrich-Winkel | 4,423.95 mi (7,119.66 km) |
| Bloomington to Offenburg | 4,479.38 mi (7,208.87 km) |
| Bloomington to Oftersheim | 4,469.62 mi (7,193.16 km) |
| Bloomington to Ohrdruf | 4,492.65 mi (7,230.22 km) |
| Bloomington to Ohringen | 4,510.47 mi (7,258.89 km) |
| Bloomington to Olbernhau | 4,592.15 mi (7,390.36 km) |
| Bloomington to Olching | 4,617.92 mi (7,431.82 km) |
| Bloomington to Oldenburg | 4,315.72 mi (6,945.48 km) |
| Bloomington to Oldenburg in Holstein | 4,365.35 mi (7,025.35 km) |
| Bloomington to Olfen | 4,337.80 mi (6,981.01 km) |
| Bloomington to Olpe | 4,379.92 mi (7,048.80 km) |
| Bloomington to Olsberg | 4,391.30 mi (7,067.12 km) |
| Bloomington to Oranienburg | 4,505.17 mi (7,250.37 km) |
| Bloomington to Ortenberg | 4,449.63 mi (7,160.99 km) |
