| Tonawanda to Castelletto sopra Ticino | 4,097.51 mi (6,594.30 km) |
| Tonawanda to Castelli Calepio | 4,152.34 mi (6,682.55 km) |
| Tonawanda to Castelnovo ne' Monti | 4,217.89 mi (6,788.04 km) |
| Tonawanda to Castelnuovo Berardenga | 4,305.34 mi (6,928.77 km) |
| Tonawanda to Castelnuovo di Porto | 4,394.71 mi (7,072.61 km) |
| Tonawanda to Castelnuovo di Verona | 4,195.09 mi (6,751.35 km) |
| Tonawanda to Castelnuovo Rangone | 4,235.39 mi (6,816.20 km) |
| Tonawanda to Castelvetrano | 4,588.94 mi (7,385.19 km) |
| Tonawanda to Castelvetro di Modena | 4,237.98 mi (6,820.37 km) |
| Tonawanda to Castenaso | 4,258.96 mi (6,854.13 km) |
| Tonawanda to Castenedolo | 4,174.57 mi (6,718.33 km) |
| Tonawanda to Castiglion Fiorentino | 4,322.65 mi (6,956.64 km) |
| Tonawanda to Castiglione del Lago | 4,336.05 mi (6,978.20 km) |
| Tonawanda to Castiglione delle Stiviere | 4,185.49 mi (6,735.90 km) |
| Tonawanda to Castrolibero | 4,666.27 mi (7,509.64 km) |
