| Elmhurst to Oerlinghausen | 4,267.03 mi (6,867.13 km) |
| Elmhurst to Oestrich-Winkel | 4,317.11 mi (6,947.72 km) |
| Elmhurst to Offenburg | 4,373.41 mi (7,038.33 km) |
| Elmhurst to Oftersheim | 4,362.99 mi (7,021.55 km) |
| Elmhurst to Ohrdruf | 4,384.80 mi (7,056.66 km) |
| Elmhurst to Ohringen | 4,403.71 mi (7,087.08 km) |
| Elmhurst to Olbernhau | 4,483.86 mi (7,216.07 km) |
| Elmhurst to Olching | 4,511.24 mi (7,260.14 km) |
| Elmhurst to Oldenburg | 4,207.27 mi (6,770.94 km) |
| Elmhurst to Oldenburg in Holstein | 4,255.99 mi (6,849.36 km) |
| Elmhurst to Olfen | 4,230.19 mi (6,807.83 km) |
| Elmhurst to Olpe | 4,272.58 mi (6,876.05 km) |
| Elmhurst to Olsberg | 4,283.66 mi (6,893.88 km) |
| Elmhurst to Oranienburg | 4,396.04 mi (7,074.74 km) |
| Elmhurst to Ortenberg | 4,342.37 mi (6,988.37 km) |
