| Johnston to Chivasso | 4,735.21 mi (7,620.59 km) |
| Johnston to Ciampino | 5,066.61 mi (8,153.92 km) |
| Johnston to Cicciano | 5,179.54 mi (8,335.66 km) |
| Johnston to Cingoli | 5,018.27 mi (8,076.13 km) |
| Johnston to Cinisello Balsamo | 4,770.28 mi (7,677.03 km) |
| Johnston to Cinisi | 5,254.50 mi (8,456.29 km) |
| Johnston to Cirie | 4,722.33 mi (7,599.86 km) |
| Johnston to Ciro Marina | 5,354.84 mi (8,617.78 km) |
| Johnston to Cislago | 4,756.53 mi (7,654.90 km) |
| Johnston to Cisterna di Latina | 5,085.01 mi (8,183.54 km) |
| Johnston to Cisternino | 5,300.53 mi (8,530.38 km) |
| Johnston to Citta di Castello | 4,977.29 mi (8,010.17 km) |
| Johnston to Citta Sant'Angelo | 5,088.85 mi (8,189.72 km) |
| Johnston to Cittadella | 4,861.64 mi (7,824.05 km) |
| Johnston to Cittanova | 5,363.64 mi (8,631.95 km) |
