| Gurnee to Chivasso | 4,479.48 mi (7,209.03 km) |
| Gurnee to Ciampino | 4,809.39 mi (7,739.96 km) |
| Gurnee to Cicciano | 4,923.24 mi (7,923.19 km) |
| Gurnee to Cingoli | 4,765.41 mi (7,669.19 km) |
| Gurnee to Cinisello Balsamo | 4,517.13 mi (7,269.62 km) |
| Gurnee to Cinisi | 4,990.47 mi (8,031.38 km) |
| Gurnee to Cirie | 4,466.35 mi (7,187.89 km) |
| Gurnee to Ciro Marina | 5,098.99 mi (8,206.03 km) |
| Gurnee to Cislago | 4,503.30 mi (7,247.36 km) |
| Gurnee to Cisterna di Latina | 4,827.65 mi (7,769.36 km) |
| Gurnee to Cisternino | 5,048.01 mi (8,123.99 km) |
| Gurnee to Citta di Castello | 4,723.28 mi (7,601.39 km) |
| Gurnee to Citta Sant'Angelo | 4,835.25 mi (7,781.59 km) |
| Gurnee to Cittadella | 4,612.18 mi (7,422.59 km) |
| Gurnee to Cittanova | 5,104.17 mi (8,214.36 km) |
