| Rowlett to Oerlinghausen | 5,044.24 mi (8,117.92 km) |
| Rowlett to Oestrich-Winkel | 5,091.96 mi (8,194.72 km) |
| Rowlett to Offenburg | 5,146.06 mi (8,281.79 km) |
| Rowlett to Oftersheim | 5,137.34 mi (8,267.76 km) |
| Rowlett to Ohrdruf | 5,161.76 mi (8,307.06 km) |
| Rowlett to Ohringen | 5,178.36 mi (8,333.76 km) |
| Rowlett to Olbernhau | 5,261.58 mi (8,467.69 km) |
| Rowlett to Olching | 5,285.68 mi (8,506.48 km) |
| Rowlett to Oldenburg | 4,985.22 mi (8,022.93 km) |
| Rowlett to Oldenburg in Holstein | 5,034.85 mi (8,102.82 km) |
| Rowlett to Olfen | 5,006.71 mi (8,057.52 km) |
| Rowlett to Olpe | 5,048.55 mi (8,124.86 km) |
| Rowlett to Olsberg | 5,060.24 mi (8,143.68 km) |
| Rowlett to Oranienburg | 5,174.75 mi (8,327.95 km) |
| Rowlett to Ortenberg | 5,118.16 mi (8,236.89 km) |
