| Garland to Oerlinghausen | 5,047.48 mi (8,123.13 km) |
| Garland to Oestrich-Winkel | 5,095.32 mi (8,200.12 km) |
| Garland to Offenburg | 5,149.50 mi (8,287.31 km) |
| Garland to Oftersheim | 5,140.72 mi (8,273.19 km) |
| Garland to Ohrdruf | 5,165.02 mi (8,312.29 km) |
| Garland to Ohringen | 5,181.72 mi (8,339.17 km) |
| Garland to Olbernhau | 5,264.78 mi (8,472.84 km) |
| Garland to Olching | 5,289.05 mi (8,511.90 km) |
| Garland to Oldenburg | 4,988.40 mi (8,028.05 km) |
| Garland to Oldenburg in Holstein | 5,037.92 mi (8,107.74 km) |
| Garland to Olfen | 5,009.98 mi (8,062.79 km) |
| Garland to Olpe | 5,051.86 mi (8,130.18 km) |
| Garland to Olsberg | 5,063.52 mi (8,148.94 km) |
| Garland to Oranienburg | 5,177.84 mi (8,332.93 km) |
| Garland to Ortenberg | 5,121.48 mi (8,242.22 km) |
