| Grosse Pointe Park to Cortona | 4,520.09 mi (7,274.38 km) |
| Grosse Pointe Park to Cosenza | 4,862.96 mi (7,826.18 km) |
| Grosse Pointe Park to Cossato | 4,275.04 mi (6,880.02 km) |
| Grosse Pointe Park to Costa Volpino | 4,342.67 mi (6,988.85 km) |
| Grosse Pointe Park to Creazzo | 4,409.39 mi (7,096.23 km) |
| Grosse Pointe Park to Crema | 4,343.92 mi (6,990.87 km) |
| Grosse Pointe Park to Cremona | 4,367.06 mi (7,028.11 km) |
| Grosse Pointe Park to Crevalcore | 4,428.37 mi (7,126.77 km) |
| Grosse Pointe Park to Crispiano | 4,846.34 mi (7,799.44 km) |
| Grosse Pointe Park to Crosia | 4,872.60 mi (7,841.69 km) |
| Grosse Pointe Park to Crotone | 4,908.30 mi (7,899.15 km) |
| Grosse Pointe Park to Cuneo | 4,294.64 mi (6,911.56 km) |
| Grosse Pointe Park to Cuorgne | 4,260.72 mi (6,856.96 km) |
| Grosse Pointe Park to Cusano Milanino | 4,316.74 mi (6,947.12 km) |
| Grosse Pointe Park to Cutro | 4,904.99 mi (7,893.82 km) |
