| Tuusula to Oestrich-Winkel | 979.82 mi (1,576.86 km) |
| Tuusula to Offenburg | 1,068.77 mi (1,720.02 km) |
| Tuusula to Oftersheim | 1,000.37 mi (1,609.94 km) |
| Tuusula to Ohrdruf | 863.58 mi (1,389.80 km) |
| Tuusula to Ohringen | 987.64 mi (1,589.45 km) |
| Tuusula to Olbernhau | 812.92 mi (1,308.27 km) |
| Tuusula to Olching | 1,005.91 mi (1,618.86 km) |
| Tuusula to Oldenburg | 808.21 mi (1,300.69 km) |
| Tuusula to Oldenburg in Holstein | 674.52 mi (1,085.54 km) |
| Tuusula to Olfen | 904.14 mi (1,455.07 km) |
| Tuusula to Olpe | 928.58 mi (1,494.41 km) |
| Tuusula to Olsberg | 892.98 mi (1,437.11 km) |
| Tuusula to Oranienburg | 693.22 mi (1,115.63 km) |
| Tuusula to Ortenberg | 932.51 mi (1,500.74 km) |
| Tuusula to Oschatz | 780.15 mi (1,255.53 km) |
