| Carrboro to Nuth | 4,144.70 mi (6,670.26 km) |
| Carrboro to Oegstgeest | 4,057.04 mi (6,529.18 km) |
| Carrboro to Oirschot | 4,106.70 mi (6,609.10 km) |
| Carrboro to Oisterwijk | 4,100.66 mi (6,599.37 km) |
| Carrboro to Oldebroek | 4,107.57 mi (6,610.49 km) |
| Carrboro to Oldenzaal | 4,151.56 mi (6,681.30 km) |
| Carrboro to Ommen | 4,126.29 mi (6,640.61 km) |
| Carrboro to Oosterend | 4,100.76 mi (6,599.54 km) |
| Carrboro to Oosterhout | 4,085.42 mi (6,574.85 km) |
| Carrboro to Oosterwolde | 4,109.85 mi (6,614.17 km) |
| Carrboro to Oostzaan | 4,067.77 mi (6,546.44 km) |
| Carrboro to Opmeer | 4,064.17 mi (6,540.65 km) |
| Carrboro to Oss | 4,108.91 mi (6,612.65 km) |
| Carrboro to Oud-Beijerland | 4,062.94 mi (6,538.67 km) |
| Carrboro to Oudenbosch | 4,073.29 mi (6,555.33 km) |
