| Grand Forks to Castelletto sopra Ticino | 4,569.53 mi (7,353.96 km) |
| Grand Forks to Castelli Calepio | 4,616.53 mi (7,429.59 km) |
| Grand Forks to Castelnovo ne' Monti | 4,693.20 mi (7,552.97 km) |
| Grand Forks to Castelnuovo Berardenga | 4,785.53 mi (7,701.57 km) |
| Grand Forks to Castelnuovo di Porto | 4,881.55 mi (7,856.09 km) |
| Grand Forks to Castelnuovo di Verona | 4,655.59 mi (7,492.45 km) |
| Grand Forks to Castelnuovo Rangone | 4,705.44 mi (7,572.67 km) |
| Grand Forks to Castelvetrano | 5,122.29 mi (8,243.52 km) |
| Grand Forks to Castelvetro di Modena | 4,708.52 mi (7,577.62 km) |
| Grand Forks to Castenaso | 4,725.60 mi (7,605.11 km) |
| Grand Forks to Castenedolo | 4,637.97 mi (7,464.09 km) |
| Grand Forks to Castiglion Fiorentino | 4,799.83 mi (7,724.58 km) |
| Grand Forks to Castiglione del Lago | 4,814.67 mi (7,748.46 km) |
| Grand Forks to Castiglione delle Stiviere | 4,648.31 mi (7,480.73 km) |
| Grand Forks to Castrolibero | 5,155.42 mi (8,296.84 km) |
