| Olgiate Olona to Popovo | 867.77 mi (1,396.55 km) |
| Olgiate Olona to Provadia | 928.91 mi (1,494.94 km) |
| Olgiate Olona to Radnevo | 876.71 mi (1,410.93 km) |
| Olgiate Olona to Radomir | 728.72 mi (1,172.76 km) |
| Olgiate Olona to Rakitovo | 797.29 mi (1,283.11 km) |
| Olgiate Olona to Rakovski | 830.92 mi (1,337.24 km) |
| Olgiate Olona to Razgrad | 877.93 mi (1,412.90 km) |
| Olgiate Olona to Razlog | 771.16 mi (1,241.07 km) |
| Olgiate Olona to Ruse | 845.58 mi (1,360.82 km) |
| Olgiate Olona to Samokov | 762.85 mi (1,227.69 km) |
| Olgiate Olona to Sandanski | 771.90 mi (1,242.25 km) |
| Olgiate Olona to Sevlievo | 820.61 mi (1,320.64 km) |
| Olgiate Olona to Shumen | 902.82 mi (1,452.95 km) |
| Olgiate Olona to Silistra | 903.86 mi (1,454.62 km) |
| Olgiate Olona to Sliven | 886.72 mi (1,427.04 km) |
