| Oak Park to Butzbach | 4,319.73 mi (6,951.94 km) |
| Oak Park to Buxtehude | 4,241.91 mi (6,826.69 km) |
| Oak Park to Cadolzburg | 4,439.12 mi (7,144.07 km) |
| Oak Park to Calbe | 4,374.56 mi (7,040.17 km) |
| Oak Park to Calw | 4,388.65 mi (7,062.85 km) |
| Oak Park to Castrop-Rauxel | 4,228.85 mi (6,805.67 km) |
| Oak Park to Celle | 4,287.29 mi (6,899.73 km) |
| Oak Park to Cham | 4,513.69 mi (7,264.09 km) |
| Oak Park to Chemnitz | 4,457.45 mi (7,173.57 km) |
| Oak Park to Clausthal-Zellerfeld | 4,327.64 mi (6,964.66 km) |
| Oak Park to Cloppenburg | 4,207.38 mi (6,771.13 km) |
| Oak Park to Coburg | 4,410.34 mi (7,097.76 km) |
| Oak Park to Coesfeld | 4,208.74 mi (6,773.31 km) |
| Oak Park to Cologne | 4,238.15 mi (6,820.65 km) |
| Oak Park to Coswig | 4,468.72 mi (7,191.71 km) |
