| Holly Springs to Oberkirch | 4,300.91 mi (6,921.64 km) |
| Holly Springs to Obernburg am Main | 4,308.65 mi (6,934.11 km) |
| Holly Springs to Obernkirchen | 4,242.33 mi (6,827.36 km) |
| Holly Springs to Oberschleissheim | 4,454.31 mi (7,168.52 km) |
| Holly Springs to Oberstdorf | 4,425.50 mi (7,122.16 km) |
| Holly Springs to Obertraubling | 4,457.46 mi (7,173.60 km) |
| Holly Springs to Obertshausen | 4,289.86 mi (6,903.87 km) |
| Holly Springs to Oberursel | 4,275.71 mi (6,881.09 km) |
| Holly Springs to Ochsenfurt | 4,351.74 mi (7,003.45 km) |
| Holly Springs to Ochsenhausen | 4,392.14 mi (7,068.46 km) |
| Holly Springs to Ochtrup | 4,168.11 mi (6,707.93 km) |
| Holly Springs to Odenthal | 4,194.71 mi (6,750.73 km) |
| Holly Springs to Oelde | 4,215.51 mi (6,784.21 km) |
| Holly Springs to Oelsnitz | 4,414.26 mi (7,104.07 km) |
| Holly Springs to Oer-Erkenschwick | 4,184.64 mi (6,734.52 km) |
