| Erbaa to Oerlinghausen | 1,529.43 mi (2,461.37 km) |
| Erbaa to Oestrich-Winkel | 1,517.70 mi (2,442.50 km) |
| Erbaa to Offenburg | 1,498.17 mi (2,411.07 km) |
| Erbaa to Oftersheim | 1,481.99 mi (2,385.04 km) |
| Erbaa to Ohrdruf | 1,419.12 mi (2,283.85 km) |
| Erbaa to Ohringen | 1,439.13 mi (2,316.05 km) |
| Erbaa to Olbernhau | 1,309.10 mi (2,106.80 km) |
| Erbaa to Olching | 1,342.30 mi (2,160.23 km) |
| Erbaa to Oldenburg | 1,575.92 mi (2,536.20 km) |
| Erbaa to Oldenburg in Holstein | 1,510.40 mi (2,430.76 km) |
| Erbaa to Olfen | 1,575.89 mi (2,536.15 km) |
| Erbaa to Olpe | 1,543.26 mi (2,483.63 km) |
| Erbaa to Olsberg | 1,523.15 mi (2,451.27 km) |
| Erbaa to Oranienburg | 1,374.88 mi (2,212.66 km) |
| Erbaa to Ortenberg | 1,479.09 mi (2,380.36 km) |
