| Oak Forest to Butzbach | 4,332.02 mi (6,971.71 km) |
| Oak Forest to Buxtehude | 4,255.05 mi (6,847.83 km) |
| Oak Forest to Cadolzburg | 4,451.40 mi (7,163.84 km) |
| Oak Forest to Calbe | 4,387.52 mi (7,061.04 km) |
| Oak Forest to Calw | 4,400.51 mi (7,081.94 km) |
| Oak Forest to Castrop-Rauxel | 4,241.28 mi (6,825.68 km) |
| Oak Forest to Celle | 4,300.26 mi (6,920.60 km) |
| Oak Forest to Cham | 4,526.12 mi (7,284.08 km) |
| Oak Forest to Chemnitz | 4,470.28 mi (7,194.22 km) |
| Oak Forest to Clausthal-Zellerfeld | 4,340.43 mi (6,985.25 km) |
| Oak Forest to Cloppenburg | 4,220.21 mi (6,791.78 km) |
| Oak Forest to Coburg | 4,422.84 mi (7,117.87 km) |
| Oak Forest to Coesfeld | 4,221.26 mi (6,793.46 km) |
| Oak Forest to Cologne | 4,250.39 mi (6,840.34 km) |
| Oak Forest to Coswig | 4,481.69 mi (7,212.58 km) |
