| Bayonne to Castelli Calepio | 578.90 mi (931.65 km) |
| Bayonne to Castelnovo ne' Monti | 593.89 mi (955.77 km) |
| Bayonne to Castelnuovo Berardenga | 651.05 mi (1,047.76 km) |
| Bayonne to Castelnuovo di Porto | 713.90 mi (1,148.91 km) |
| Bayonne to Castelnuovo di Verona | 618.01 mi (994.59 km) |
| Bayonne to Castelnuovo Rangone | 620.47 mi (998.55 km) |
| Bayonne to Castelvetrano | 847.99 mi (1,364.70 km) |
| Bayonne to Castelvetro di Modena | 621.16 mi (999.66 km) |
| Bayonne to Castenaso | 646.82 mi (1,040.96 km) |
| Bayonne to Castenedolo | 595.87 mi (958.96 km) |
| Bayonne to Castiglion Fiorentino | 671.81 mi (1,081.17 km) |
| Bayonne to Castiglione del Lago | 679.76 mi (1,093.97 km) |
| Bayonne to Castiglione delle Stiviere | 604.88 mi (973.46 km) |
| Bayonne to Castrolibero | 958.40 mi (1,542.39 km) |
| Bayonne to Castrovillari | 945.30 mi (1,521.32 km) |
