| Heath to Oerlinghausen | 4,157.36 mi (6,690.63 km) |
| Heath to Oestrich-Winkel | 4,196.34 mi (6,753.35 km) |
| Heath to Offenburg | 4,245.03 mi (6,831.71 km) |
| Heath to Oftersheim | 4,240.26 mi (6,824.03 km) |
| Heath to Ohrdruf | 4,273.38 mi (6,877.34 km) |
| Heath to Ohringen | 4,281.95 mi (6,891.13 km) |
| Heath to Olbernhau | 4,376.83 mi (7,043.82 km) |
| Heath to Olching | 4,388.44 mi (7,062.51 km) |
| Heath to Oldenburg | 4,102.82 mi (6,602.85 km) |
| Heath to Oldenburg in Holstein | 4,162.29 mi (6,698.56 km) |
| Heath to Olfen | 4,116.90 mi (6,625.50 km) |
| Heath to Olpe | 4,156.56 mi (6,689.34 km) |
| Heath to Olsberg | 4,170.53 mi (6,711.82 km) |
| Heath to Oranienburg | 4,298.93 mi (6,918.46 km) |
| Heath to Ortenberg | 4,225.37 mi (6,800.08 km) |
